Marketed in Europe by 'Meccanica per l'Elettronica e Servomeccanismi s.p.a. (MES)', this newly~developed device purportedly enables patients with mobility issues to stand up - and even walk - for around 4 hours (continuously) or 8 hours (intermittently) on a single charge.
https://www.suitx.com/phoenix-medical-exoskeleton ...
Currently undergoing trials, it ISN'T yet available in the US ... ... even though its perceived capabilities suggest to me that its name could, perhaps, derive from the mythical bird that "rose from the ashes" ... as applied to the naming of the Arizona State Capital, Phoenix.